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19864 (2775 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982102273539117 3.4208e-08  
a 2.371930184173122 1.0311e-08 au
q 1.901789363100562 8.2613e-08 au
i 3.056908180440052 4.5045e-06 deg
node 61.94579971231039 8.7544e-05 deg
peri 218.9172098163059 8.8817e-05 deg
M 241.9660904206019 1.7775e-05 deg
tp 2459637.977348311395
(2022-Feb-27.47734831)
6.7366e-05 TDB
period 1334.293220933785
3.65
8.7001e-06
2.382e-08
d
yr
n .2698057625954657 1.7592e-09 deg/d
Q 2.842071005245683 1.2354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      22094 days (60.49 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:00:18  

Additional Information
 Earth MOID = .88465 au 
 Jupiter MOID = 2.30014 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456907.5 (2014-Sep-07.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985442614346551 3.4123e-08  
q 1.900609104054524 8.2405e-08 au
tp 2456970.237093988521
(2014-Nov-08.73709399)
5.9906e-05 TDB
node 61.96442452953112 8.7546e-05 deg
peri 219.0172380212743 8.8821e-05 deg
i 3.057463438983762 4.5048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      22094 days (60.49 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:00:18  

Additional Information
 Jupiter MOID = 2.30014 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.164393381436884E-15 -2.798217844203722E-15 -8.287034466539606E-14 5.858434328727811E-16 -2.096464291832686E-14 2.55260572945639E-16
q -2.798217844203722E-15 6.790513072483854E-15 3.449052265090998E-13 -3.86052979697292E-15 8.52413201727259E-14 -4.592415638462876E-16
tp -8.287034466539606E-14 3.449052265090998E-13 3.588700935879004E-9 -1.661455027750353E-11 9.220799356612263E-10 -3.394749877174847E-13
node 5.858434328727811E-16 -3.86052979697292E-15 -1.661455027750353E-11 7.664287437421638E-9 -7.657151135143399E-9 -1.00690931308802E-10
peri -2.096464291832686E-14 8.52413201727259E-14 9.220799356612263E-10 -7.657151135143399E-9 7.889189492342172E-9 1.004679827260817E-10
i 2.55260572945639E-16 -4.592415638462876E-16 -3.394749877174847E-13 -1.00690931308802E-10 1.004679827260817E-10 2.029331845113951E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.46   n/a MPCxxxxx  
diameter diameter 2.086 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19864 (2775 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2775 P-L = 2000 SW241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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